تداخلهای دارویی
Fosphenytoin + Pyrimethamine
شدت: متوسط
Fosphenytoin and Pyrimethamine: moderate interaction.
آخرین بهروزرسانی
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خلاصه
Pyrimethamine is an antifolate and phenytoin (the active form of fosphenytoin) can also lower folate status. Together they may add to folate deficiency and haematological toxicity. Reports of reduced anticonvulsant effect are inconsistent.
معنای این تداخل به زبان ساده
Fosphenytoin and Pyrimethamine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Fosphenytoin belongs to Central Nervous System; Pyrimethamine belongs to Anti Parasitic.
چرا رخ میدهد
Additive folate antagonism; pyrimethamine inhibits dihydrofolate reductase and phenytoin impairs folate handling, and phenytoin levels may also change through unclear mechanisms.
اقدام لازم
Monitor complete blood counts and seizure control, and check phenytoin concentrations if control changes. Give folinic acid with pyrimethamine as usually recommended.
از داروساز چه بپرسید
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
ویژه اعضای Pro+
باز کردن کل صفحه
یک حساب بسازید و دوره آزمایشی Pro+ را شروع کنید تا توصیههای کامل مدیریت Fosphenytoin و Pyrimethamine، یادداشتهای تکمیلی، جزئیات شواهد و بررسیکننده تداخل برای کل نسخه را باز کنید.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Pro+ را ۷ روز رایگان در وب امتحان کنید. بدون نیاز به کارت.
تداخلات دیگر Pyrimethamine
تداخلات دیگر Fosphenytoin
- Dronedarone + Fosphenytoin منع مصرف
- Fosphenytoin + Ledipasvir-sofosbuvir منع مصرف
- Fosphenytoin + Lorlatinib منع مصرف
- Fosphenytoin + Lurasidone منع مصرف
- Fosphenytoin + Ranolazine منع مصرف
- Fosphenytoin + Sofosbuvir-velpatasvir-voxilaprevir منع مصرف
پرسشهای متداول
Can I take Fosphenytoin with Pyrimethamine?
MediHelp rates the interaction as moderate. Fosphenytoin and Pyrimethamine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Pyrimethamine is an antifolate and phenytoin (the active form of fosphenytoin) can also lower folate status. Together they may add to folate deficiency and haematological toxicity. Reports of reduced anticonvulsant effect are inconsistent.
How serious is the interaction between Fosphenytoin and Pyrimethamine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor complete blood counts and seizure control, and check phenytoin concentrations if control changes. Give folinic acid with pyrimethamine as usually recommended.
What other medicines interact with Pyrimethamine?
MediHelp also lists interactions of Pyrimethamine with, for example, Deferiprone, Eliglustat, Acalabrutinib. The full list is on the Pyrimethamine page.
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